This MESTEK ST01D Socket Tester is designed to test socket if connects positive and negative pole as required and whether

  Brand: KZ Color: Gray,Silver Function: Answering Phone,HiFi,Microphone,Song Switching Model: KZ ED4 Type: In-Ear Wearing type: In-Ear Application: Computer,Mobile phone,Portable

– Phone game Fire Button Aim Key Smart phone Mobile Games L1R1 Controller Phone Gamepad Trigger – Touch-sensitive shooting left